

/**
 * 通用js方法封装处理
 * Copyright (c) 2019 ruoyi
 */

// 日期格式化
export function parseTime(time, pattern) {
  if (arguments.length === 0 || !time) {
    return null
  }
  const format = pattern || '{y}-{m}-{d} {h}:{i}:{s}'
  let date
  if (typeof time === 'object') {
    date = time
  } else {
    if ((typeof time === 'string') && (/^[0-9]+$/.test(time))) {
      time = parseInt(time)
    } else if (typeof time === 'string') {
      time = time.replace(new RegExp(/-/gm), '/').replace('T', ' ').replace(new RegExp(/\.[\d]{3}/gm), '');
    }
    if ((typeof time === 'number') && (time.toString().length === 10)) {
      time = time * 1000
    }
    date = new Date(time)
  }
  const formatObj = {
    y: date.getFullYear(),
    m: date.getMonth() + 1,
    d: date.getDate(),
    h: date.getHours(),
    i: date.getMinutes(),
    s: date.getSeconds(),
    a: date.getDay()
  }
  const time_str = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {
    let value = formatObj[key]
    // Note: getDay() returns 0 on Sunday
    if (key === 'a') { return ['日', '一', '二', '三', '四', '五', '六'][value] }
    if (result.length > 0 && value < 10) {
      value = '0' + value
    }
    return value || 0
  })
  return time_str
}

// 表单重置
export function resetForm(refName) {
  if (this.$refs[refName]) {
    this.$refs[refName].resetFields();
  }
}

// 添加日期范围
export function addDateRange(params, dateRange, propName) {
  let search = params;
  search.params = typeof (search.params) === 'object' && search.params !== null && !Array.isArray(search.params) ? search.params : {};
  dateRange = Array.isArray(dateRange) ? dateRange : [];
  if (typeof (propName) === 'undefined') {
    search.params['beginTime'] = dateRange[0];
    search.params['endTime'] = dateRange[1];
  } else {
    search.params['begin' + propName] = dateRange[0];
    search.params['end' + propName] = dateRange[1];
  }
  return search;
}

// 回显数据字典 
export function selectDictLabel(datas, value) {
  if (value === undefined) {
    return "";
  }
  var actions = [];
  Object.keys(datas).some((key) => {
    if (datas[key].value == ('' + value)) {
      actions.push(datas[key].label);
      return true;
    }
  })
  if (actions.length === 0) {
    actions.push(value);
  }
  return actions.join('');
}

// 回显数据字典（字符串数组）
export function selectDictLabels(datas, value, separator) {
  if (value === undefined) {
    return "";
  }
  var actions = [];
  var currentSeparator = undefined === separator ? "," : separator;
  var temp = value.split(currentSeparator);
  Object.keys(value.split(currentSeparator)).some((val) => {
    var match = false;
    Object.keys(datas).some((key) => {
      if (datas[key].value == ('' + temp[val])) {
        actions.push(datas[key].label + currentSeparator);
        match = true;
      }
    })
    if (!match) {
      actions.push(temp[val] + currentSeparator);
    }
  })
  return actions.join('').substring(0, actions.join('').length - 1);
}

// 字符串格式化(%s )
export function sprintf(str) {
  var args = arguments, flag = true, i = 1;
  str = str.replace(/%s/g, function () {
    var arg = args[i++];
    if (typeof arg === 'undefined') {
      flag = false;
      return '';
    }
    return arg;
  });
  return flag ? str : '';
}

// 转换字符串，undefined,null等转化为""
export function parseStrEmpty(str) {
  if (!str || str == "undefined" || str == "null") {
    return "";
  }
  return str;
}

// 数据合并
export function mergeRecursive(source, target) {
  for (var p in target) {
    try {
      if (target[p].constructor == Object) {
        source[p] = mergeRecursive(source[p], target[p]);
      } else {
        source[p] = target[p];
      }
    } catch (e) {
      source[p] = target[p];
    }
  }
  return source;
};

/**
 * 构造树型结构数据
 * @param {*} data 数据源
 * @param {*} id id字段 默认 'id'
 * @param {*} parentId 父节点字段 默认 'parentId'
 * @param {*} children 孩子节点字段 默认 'children'
 */
export function handleTree(data, id, parentId, children) {
  let config = {
    id: id || 'id',
    parentId: parentId || 'parentId',
    childrenList: children || 'children'
  };

  var childrenListMap = {};
  var nodeIds = {};
  var tree = [];

  for (let d of data) {
    let parentId = d[config.parentId];
    if (childrenListMap[parentId] == null) {
      childrenListMap[parentId] = [];
    }
    nodeIds[d[config.id]] = d;
    childrenListMap[parentId].push(d);
  }

  for (let d of data) {
    let parentId = d[config.parentId];
    if (nodeIds[parentId] == null) {
      tree.push(d);
    }
  }

  for (let t of tree) {
    adaptToChildrenList(t);
  }

  function adaptToChildrenList(o) {
    if (childrenListMap[o[config.id]] !== null) {
      o[config.childrenList] = childrenListMap[o[config.id]];
    }
    if (o[config.childrenList]) {
      for (let c of o[config.childrenList]) {
        adaptToChildrenList(c);
      }
    }
  }
  return tree;
}

/**
* 参数处理
* @param {*} params  参数
*/
export function tansParams(params) {
  let result = ''
  for (const propName of Object.keys(params)) {
    const value = params[propName];
    var part = encodeURIComponent(propName) + "=";
    if (value !== null && typeof (value) !== "undefined") {
      if (typeof value === 'object') {
        for (const key of Object.keys(value)) {
          if (value[key] !== null && typeof (value[key]) !== 'undefined') {
            let params = propName + '[' + key + ']';
            var subPart = encodeURIComponent(params) + "=";
            result += subPart + encodeURIComponent(value[key]) + "&";
          }
        }
      } else {
        result += part + encodeURIComponent(value) + "&";
      }
    }
  }
  return result
}

// 返回项目路径
export function getNormalPath(p) {
  if (p.length === 0 || !p || p == 'undefined') {
    return p
  };
  let res = p.replace('//', '/')
  if (res[res.length - 1] === '/') {
    return res.slice(0, res.length - 1)
  }
  return res;
}

/**
 * 对象参数转地址栏参数
 * @param:{
   params：对象
 }
*/
export function objectToUrl (params) {
  let strParams = ''
  if (params) {
    if (Object.prototype.toString.call(params) === '[object Object]') { // 判断是对象
      Object.keys(params).map((key, index) => {
        if (index === 0) {
          strParams += '?'
        } else {
          strParams += '&'
        }
        strParams += key + '=' + (params[key] ? params[key].toString() : '')
      })
    } else if (Object.prototype.toString.call(params) === '[object String]') { // 判断是字符串
      strParams = params
    }
  }
  return strParams || ''
}

// 验证是否为blob格式
export async function blobValidate(data) {
  try {
    const text = await data.text();
    JSON.parse(text);
    return false;
  } catch (error) {
    return true;
  }
}

/**
 * 根据文件流下载文件
 * @param:{
   res：文件流,
   fileName：文件名
 }
*/
export function downloadFile (res, fileName) {
  let blob = null
  // 判断是否是blob类型数据
  if (res && !res.size) {
    const arr = [res] // '\uFEFF'
    blob = new Blob(arr, { type: 'application/vnd.ms-excel' })
  }
  const url = window.URL.createObjectURL(blob || res)
  const link = document.createElement('a')
  link.style.display = 'none'
  link.href = url
  link.target = '_blank' // 重新打开浏览器窗口下载
  link.setAttribute('download', fileName)
  document.body.appendChild(link)
  link.click()
  document.body.removeChild(link)
  window.URL.revokeObjectURL(url)
}

/**
 * 根据路径下载文档
 * @param:{
   url:资源文档路径|接口路径,
   params: 接口参数,
   fileName: 文件名 + 后缀,
 }
 */
export function downloadDocument (url, params, fileName) {
  // 若有接口参数, 转成url参数格式
  if (params) {
    url += objectToUrl(params)
  }
  if (!!window.ActiveXObject || 'ActiveXObject' in window) { // IE
    window.open(url, '_blank')
  } else {
    var a = document.createElement('a') // 创建a标签
    var e = document.createEvent('MouseEvents') // 创建鼠标事件对象
    e.initEvent('click', false, false) // 初始化事件对象
    a.href = url // 设置下载地址
    a.target = '_blank' // 重新打开浏览器窗口下载
    a.download = fileName // 设置下载文件名
    a.dispatchEvent(e) // 阻止事件默认行为
  }
}

/**
 * 保留小数位
 * @param:{
   number: 数值[String, Number],
   digit: 小数位数[Number]
   supplement: 是否补0[Boolean]
 }
*/
export function decimalPlaces (number, digit = 0, supplement = false) {
  let num = number;
  if(number) {
    if(!isNaN(parseFloat(number))) {
      num = parseFloat(number).toFixed(digit);
      // 不补0
      if(!supplement) {
        num = parseFloat(num);
      }
      // 补0
      // else {
      //   const str = num + '';
      //   const indexDot = str.indexOf('.');
      //   if(indexDot>-1) {
      //     const strDigit = str.slice(indexDot+1);
      //     num = str.slice(0, indexDot+1) +'.'+ strDigit.padEnd(digit, '0');
      //   } else {
      //     num = str +'.'+ ''.padEnd(digit, '0');
      //   }
      // }
    }
  }
  return num;
}

/**
 * 获取数组中某个字段的值组成新的数组
 * @param:{
   arr: 原数组[Array],
   key: 要获取值得字段名称[String]
 }
*/
export function getValuesByArrayAndKey(arr, key) {
  return arr.map(item => item[key]);
}

/**
 *数组去重 复杂数组，数组套对象
 *arr:当前需要去重的数组
 *key:根据数组中对象的某个键去重
 */
 export function ArrayObjUniq(arr, key) {
  var obj = {};
  arr = arr.reduce(function (item, next) {
    obj[next[key]] ? '' : obj[next[key]] = true && item.push(next);
    return item;
  }, []);
  return arr;
}